{
  "manageEntity": {
    "action": "Update",
    "entityId": "606849837",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe721768b03dbd170bdcc253d9d81f3f33a81d0e3d4dac10268deeec14c52913a",
    "signature": "0x5cd22fa6110ede5a0084ad56d111f5755758e3afac4719521afdc99cbe51f06e0c2a5b756b43a9292f49fc6b374bced3c1a2bc2c20c97fb09368b340dd4433681b",
    "signer": "0xd8cF9b24Cf8c3c0e8Da4e5ddC4f6d3B449Ba6d7E",
    "userId": "606849837"
  }
}